add Errno::EAFNOSUPPORT as ignored errors when finding ports

Signed-off-by: Topher Bullock <[email protected]>
Signed-off-by: Alex Rodionov <[email protected]>

Author: JT Archie

rb/lib/selenium/webdriver/common/port_prober.rb

@@ -36,7 +36,7 @@ def self.random
         port
       end
 
-      IGNORED_ERRORS = [Errno::EADDRNOTAVAIL]
+      IGNORED_ERRORS = [Errno::EADDRNOTAVAIL, Errno::EAFNOSUPPORT]
       IGNORED_ERRORS << Errno::EBADF if Platform.cygwin?
       IGNORED_ERRORS << Errno::EACCES if Platform.windows?
       IGNORED_ERRORS.freeze